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book/week_14/session_2/intro.ipynb

@@ -14,45 +14,26 @@
     "\n",
     "## Exercise Shear force centre\n",
     "\n",
-    "Given is the following structure:\n",
+    "Given is the following cross-section\n",
     "\n",
-    "```{figure} intro_data/structure.svg\n",
+    "```{figure} intro_data/cross-section.svg\n",
     ":align: center\n",
     "```\n",
     "\n",
     "1. Find the relevant cross-sectional properties.\n",
-    "2. Find the maximum shear stress and its location.\n",
-    "3. Find the principal stresses at that point and their directions. Draw a square stress element to represent those stresses.\n",
+    "2. Find the location of the shear force centre\n",
     "\n",
     "````{admonition} Solution assignment 1\n",
     ":class: tip, dropdown\n",
     "\n",
-    "```{figure} intro_data/NC.svg\n",
-    ":align: center\n",
-    "```\n",
-    "\n",
-    "- $A = 9020 \\text{ mm}^2$\n",
-    "- $I_{zz} = 3.72 \\cdot 10^6 \\text{ mm}^4 $\n",
-    "- $I_t = 364 \\cdot 10^3 \\text{ mm}^4$\n",
+    "- $I_{zz} = 400 \\cdot 10^6 \\text{ mm}^4 $\n",
     "\n",
     "````\n",
     "\n",
     "````{admonition} Solution assignment 2\n",
     ":class: tip, dropdown\n",
     "\n",
-    "In segment $\\text{AD}$ in grey crosses:\n",
-    "```{figure} intro_data/max.svg\n",
-    ":align: center\n",
-    "```\n",
-    "\n",
-    "$\\left| \\tau_{\\max} \\right| = 477.6 \\text{ MPa} $\n",
-    "\n",
-    "````\n",
-    "\n",
-    "````{admonition} Solution assignment 3\n",
-    ":class: tip, dropdown\n",
-    "\n",
-    "```{figure} intro_data/max2.svg\n",
+    "```{figure} intro_data/SC.svg\n",
     ":align: center\n",
     "```\n",
     "\n",